653 research outputs found
Active Polarimetric Measurements for Identification and Characterization of Space Debris
A bench-top polarimeter ( λ = 1064 nm) is used to measure the polarimetric Bidirectional Reflectance Distribution Function (BRDF) of several common spacecraft materials in both bistatic and monostatic geometries. The Mueller matrix and polarimetric properties of each material were estimated as a function of the illumination and viewing angles. The findings expand upon previous research suggesting that active polarimetry may be useful for the remote characterization and identification of space debris
Tampa's scale predictive ability to identify patients with chronic low back pain, at risk of poor recovery
Trabalho apresentado no World Confederation for Physical Therapy (WCPT Congress 2017), 2-4 Julho 2017, Cape Town, África do SulN/
Epidemiological measurements in banana genotypes inoculated with Mycosphaerella musicola.
In order to define the most important variables in disease progression, it is necessary to know the details of the monocycle of the pathogen. Incubation periods and establishment of Sigatoka leaf spot, caused by Mycosphaerella musicola, are strongly influenced by climatic factors and by genotype
Alongamento de plantas de Dendrobium nobile Lindl. com pulverização de ácido giberélico.
Dendrobium nobile Lindl. (olho-de-boneca) é uma das orquídeas mais populares do Brasil, ocupando posição de destaque no mercado de plantas de corte e de vaso. Entretanto, o desenvolvimento muito lento da família Orchidaceae tem contribuído para o elevado valor unitário de suas plantas, sendo necessárias técnicas que promovam a obtenção mais rápida de plantas comercializáveis. Objetivando avaliar o efeito do ácido giberélico no alongamento de plantas de D. nobile, foi realizado experimento em delineamento inteiramente casualizado com cinco concentrações de GA3 (0, 50, 100, 200 e 400 mg.L-1) e treze repetições. Efetuaram-se quatro pulverizações com soluções de ácido giberélico a intervalos quinzenais e noventa dias após início dos tratamentos, avaliaram-se as seguintes características: altura e diâmetro do pseudobulbo, número de folhas, largura e comprimento das folhas. A aplicação do GA3 promoveu, em comparação às plantas testemunhas, incrementos de 64,08% em altura e 44,27% no comprimento das folhas e decréscimos de 50% no diâmetro do pseudobulbo e 56,09% na largura das folhas. Não houve diferença entre as concentrações de GA3 testadas. Portanto, o ácido giberélico nas concentrações de 50 a 400 mg.L-1 é igualmente eficiente no alongamento de plantas D. nobile
Propagação da pitaya no cerrado (Selenicereus setaceus) por meio de estacas.
O objetivo desse trabalho foi avaliar o efeito do tipo de recipiente e da aplicação de ácido indolbutírico (AIB) no enraizamento de estacas de pitaya do cerrado (saborosa).Suplemento. Edição dos Resumos do XI Congresso Brasileiro de Fisiologia Vegetal, Gramado, set. 2007
Colchicine and amiprophos-methyl (APM) in polyploidy induction in banana plant
The objective was to assess the colchicine and amiprophos-methyl (APM) concentration and exposure period in the chromosome duplication of breed banana plants diploids. Banana stem tips were used from the following genotypes: breed diploids (1304-04 [Malaccensis x Madang (Musa acuminata spp. banksii)] and 8694-15 [0337-02 (Calcutta x Galeo) x SH32-63]). Colchicine was used at concentrations of 0 (control treatment), 1.25, 2.5 and 5.0 mM, while APM was used at 0 (control treatment), 40 and 80 μM, in solution under agitation (20 rpm), for 24 and 48 h periods. With the use of APM, 66.67% tetraploid plants were obtained in the 1304-04 genotype using 40 μM for 24 h and 18.18% in 80 μM for 48 h, while in the 8694-15 genotype using 40 and 80 μM colchicine for 48 h, 27.27 and 21.43% tetraploid plants were observed, respectively. For colchicine, in the 1304-04 genotype, only the 1.25 mM treatment for 48 h presented 25% tetraploid plants and in the 8694-15 genotype, the 5.0 mM concentration for 48 h produced 50% tetraploid plants. APM for 24 h enabled the tetraploid plant of the 1304-04 genotype to be obtained, while colchicine for 48 h resulted in tetraploid plants in the 8694-15 genotype.Key words: Musa acuminata, antimitotic, flow cytometry, tissue culture
Restoring product focus across the value stream through organizational restructuring
Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division; and, (M.B.A.) -- Massachusetts Institute of Technology, Sloan School of Management; in conjunction with the Leaders for Manufacturing Program at MIT, 2008.Includes bibliographical references (p. 93-94).Businesses take deliberate action to change their internal context when managers believe that better performance lies beyond the capabilities of assets in their present configuration. A typical course of action is reorganization. A key consideration for organizational design is how the relationship between an organization's structure, the structure of its products, and the structure of its processes influence the value delivered to customers. In some sense, products, processes, and the organization should "fit" each other. This thesis presents a framework for thinking about product architecture, enterprise architecture, and the value stream of processes that binds them together. Critical to any enterprise architecture are process owners that control and improve organizational processes and product owners that manage the end-to-end development of products. When a product is significantly complex, independent tiers of product ownership might be established to ensure that different levels of products - systems, subsystems, or components - are managed with appropriate developmental objectives in mind. For example, some components must be distinct to a single product; other components can be common among several products. The proposed framework shows how product and enterprise architectures can be integrated to support the development of complex systems. The thesis also presents a case study to which the proposed framework is applied. The study focuses on a business that has recently restructured its organization to achieve better alignment with the complex products it develops. Using the proposed framework, the new organizational structure is evaluated to determine if the new enterprise architecture positions the business to increase customer value and accomplish its long-term goals.by Jeffrey M. Pasqual.M.B.A.S.M
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